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https://issues.apache.org/jira/browse/BIGTOP-1377?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14064412#comment-14064412
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Virginia Wang commented on BIGTOP-1377:
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It can be done with echo "something something" > /path/to/file or cat file2 >>
file1 as well.
> Add a test case for performing block corruption recovery
> --------------------------------------------------------
>
> Key: BIGTOP-1377
> URL: https://issues.apache.org/jira/browse/BIGTOP-1377
> Project: Bigtop
> Issue Type: Test
> Components: Tests
> Reporter: Dasha Boudnik
>
> Create file with some data.
> Go to DataNode and vi the block; add some extra data to the block.
> Start doing a bunch of 'hdfs dfs -cat <file path>'s; should see checksum
> error.
> NameNode should replicate a new healthy block and delete the corrupt block.
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